#include <iostream>

using namespace std;


class Clock{
public:

int hour,minute,seconds;

public:

 Clock(  )

{

 hour=12,minute=0,seconds=0;

 }

Clock(int h,int m,int s)

{

hour=h,minute=m,seconds=s;

}

};

int  main()

{
 Clock a(9,30,0); //(1)
cout<<a.hour<<endl;
 Clock b(a);//(2)
 cout<<b.hour<<endl;

 Clock c; //(3)
 cout<<c.hour<<endl;
 return 0;
}
